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I have an Ubuntu 13.04 running on a P4 computer with 1 Gb of RAM (I know, I need to get a new one). I recently have been getting crashes, and a lot of my memory is being used. So I looked in Top and there's literally hundreds of the same processes running. Some are Apache, Postdrop, and Sendmail. They're hogging my RAM! How do I stop them? Let me know if you need more info.

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  • What are you using this computer for?? Apache is a webserver, postdrop a SQL thing and sendmail is a mail server type thing..
    – Seth
    Jul 30, 2013 at 4:05
  • Could you paste the output of top or of ps ax? It would help too see what processes you might don't need. What is the purpose of this computer? Do you use it as server or SOHO machine?
    – qbi
    Jul 30, 2013 at 7:18

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1st, take a look at Linux Ate my RAM to understand how memory management is done by Linux kernel.

2nd, remove all server packages that you don't need, .e.g. apache2, mysql, sendmail etc...

Paste your pstree output so that we can help you to figure out what you don't need.

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  • Okay. Will have a look at your link, and post that data as soon as the machine boots up. Oh, and this IS a server, so I need Apache, MySQL, etc.
    – user179642
    Jul 30, 2013 at 3:11
  • And it just crashed a few minutes ago stating it couldn't allocate memory.
    – user179642
    Jul 30, 2013 at 3:13
  • The server simply does NOT have enough RAM to run the services.
    – Terry Wang
    Jul 30, 2013 at 4:59
  • It has worked for a long time with no problems, but then about a month ago this started to happen.
    – user179642
    Jul 30, 2013 at 13:30

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